Sam plans to walk his dog for a distance of 1 mile. he walks 3/8 of a mile and stops to get a bottle of water. then walks 1/8 of a mile more and stops to say hello to a friend. how far does sam still need to walk his dog?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.